3 years ago

Can someone explain to me how to do this!!!

1 answer:

galina1969 [7]3 years ago

3 0

Well...it says the sum of the angles measure 360...so lets set them equal to 360

40 + x - 10 + 1/3x + x - 20 = 360...combine like terms
2 1/3x + 10 = 360
7/3x = 360 - 10
7/3x = 350
x = 350/(7/3)
x = 350 * 3/7
x = 1050/7
x = 150 <=====

You might be interested in

What are the coordinates of each point after quadrilateral ABCD is rotated 270° about the origin? Select numbers from the pull-d

Mashcka [7]

Answer:

140

Step-by-step explanation:

5 0

3 years ago

Find the slope of the line. <br> Will give brainiest if correct.

tia_tia [17]

Answer:

1,2

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

P(7, 10) and Q(9, 6) are the endpoints of a line segment. What is the midpoint M of that line segment?

Svet_ta [14]

Answer:

(8,8)

Step-by-step explanation:

7 0

4 years ago

Find the percent change:<br><br> $350 to $400

skad [1K]

Answer:

14.29% increase

Hope this helps!

7 0

3 years ago

Read 2 more answers

Is the answer A or C?

Brilliant_brown [7]

Area=(base x height)/2
base=5.8 cm
height=2.4 cm

Area=(5.8 cm * 2.4 cm) / 2=6.96 cm²

The answer is A 6.96

8 0

3 years ago